What is Curcumin Yellow?
Curcumin Yellow is a natural colorant material, which is a refined and concentrated curcumin fraction of Curcuma longa, specifically manufactured to be used as a standardized coloring solution in industrial processes. It is placed as a high-purity, yellow colorant whose chromatic properties are well defined so that it is easy to control color accurately and achieve repeatable results in large-scale production facilities. It has a more selective color profile and greater tinctorial strength than larger-sized turmeric extracts, and therefore, enables the formulators to produce their desired shade with fewer levels of usage and greater batch-to-batch consistency. It is extensively used in food, beverage, supplement, and some personal care formulations where manufacturers need to maintain regular visual functionality, regulatory-compliant specifications, and be compatible with current clean-label strategies. As the world markets keep moving towards the use of naturally sourced ingredients, it helps draw product differentiation and ingredient disclosure without recourse to artificial dyes and without the formulation of health-related claims.

COA
| Item | Specification | Result |
| Appearance | Yellow to orange-yellow fine powder | Conforms |
| Odor | Characteristic, mild | Conforms |
| Identification | Positive reaction for curcumin | Conforms |
| Curcumin Content | ≥ 95.0 % | 96.30% |
| Loss on Drying | ≤ 8.0 % | 5.10% |
| Ash Content | ≤ 1.0 % | 0.60% |
| Particle Size | ≥ 95% pass 80 mesh | Conforms |
| Color Shade | Bright yellow to orange-yellow | Conforms |
| Solubility | Insoluble in water; soluble in ethanol | Conforms |
| pH (1% suspension) | 6.0 – 8.0 | 6.7 |
| Heavy Metals | ||
| Lead (Pb) | ≤ 2.0 ppm | < 0.5 ppm |
| Arsenic (As) | ≤ 1.0 ppm | < 0.3 ppm |
| Cadmium (Cd) | ≤ 1.0 ppm | < 0.2 ppm |
| Mercury (Hg) | ≤ 0.1 ppm | < 0.01 ppm |
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Features
The product Curcumin Color has a collection of unique physical and chemical properties that render it a technically viable color solution to a formulator who needs accuracy and predictability. It appears as a bright yellow to orange-yellow powder that is highly tinctorial in value, and this quality allows the control of the shade to be precise, even at low levels of inclusions. This aspect enables cost to be controlled and avoids many changes in the base formulation. Its coloring performance is linked chemically to conjugated polyphenolic structures, which provide good light absorption in the visible spectrum, as well as providing predictable color expression at standardized concentrations. It exhibits a low level of water solubility but good dispersibility when well processed, and it is more inclined towards lipid-based and emulsified systems, which makes it especially very interesting in oils, fats, and dry blends. Factors that determine its color stability include PH, exposure to light, and temperature, and can be controlled by the formulators via encapsulation, choice of carrier, and control of processing conditions. These natural attributes allow it to be a controllable, high-performance natural color ingredient to provide formulation teams with a quality balance between visual intensity, processing flexibility, and quality management based on specifications.
How to Store Properly?
1. Controlled Temperature Environment
Store the product in a cool and stable environment that is not exposed to high sources of heat, since high temperatures can speed up the color deterioration or decrease the longevity of the color.
2. Protection from Light Exposure
Store containers not in direct sunlight or in intense artificial light, as the continued exposure of light to the products may cause the visual strength and evenness of natural yellow pigments to change.
3. Dry and Low-Humidity Conditions
Store in a controlled level of humidity to avoid penetration of moisture, which can affect flowability, dispersion behavior, and the overall handling performance.
4. Original Sealed Packaging
Store the material unopened in the original packaging supplied, but it should be used after an extended period because the standardized packing provided by the supplier is meant to ensure that it resists oxygen, contamination, and changes in the environment during storage.
5. Isolation from Odor-Active Materials
Keep Turmeric Extract Color away from strong-smelling substances to prevent absorption of odors, and this can be applicable in the downstream applications where sensory neutrality is demanded.
6. Inventory Rotation and Traceability
Use first-in-first-out (FIFO) inventory control and keep records of batch identification so that usage in a batch will be consistent within the suggested shelf-life and to facilitate internal quality control processes.

Recommended Usage
Regarding manufacturing, the Curcumin Powder is normally employed as a functional color ingredient and is generally added with consideration to dispersion and compatibility of the process when used in various dose forms. When used in the production of capsules and tablets, it is usually premixed with appropriate excipients or carriers to distribute uniformly and have a similar color appearance, and dry mixing is done under controlled conditions to prevent the segregation of particles of different sizes. In compression processes, formulators frequently trade compression order and mixing time to ensure color homogeneity with no losses to flowability or integrity of pills. It is in liquid states, either as pre-dispersed or solubilized (e.g., as an oil-based phase or stabilized emulsion) to get homogenous coloration and prevent sedimentation on storage. In all formats, it is suggested to perform addition percolation, controlled shear, and a pilot-scale trial in order to adjust the color intensity to match target specifications without compromising batch-to-batch consistency. The practices in application permit the manufacturers to incorporate it effectively in a variety of formulations and maintain its visual activity and processing qualities.
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